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3102223020 = 2235133977209
BaseRepresentation
bin1011100011101000…
…0010101010101100
322000012101020221220
42320322002222230
522323132114040
61231455223340
7136606313661
oct27072025254
98005336856
103102223020
111352140086
12726b17b50
133a5925b30
14216015a68
151325372d0
hexb8e82aac

3102223020 has 48 divisors (see below), whose sum is σ = 9354397920. Its totient is φ = 763623936.

The previous prime is 3102222983. The next prime is 3102223039. The reversal of 3102223020 is 203222013.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987825 + ... + 1989384.

It is an arithmetic number, because the mean of its divisors is an integer number (194883290).

Almost surely, 23102223020 is an apocalyptic number.

3102223020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3102223020 is an abundant number, since it is smaller than the sum of its proper divisors (6252174900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3102223020 is a wasteful number, since it uses less digits than its factorization.

3102223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977234 (or 3977232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3102223020 is about 55697.6033595701. The cubic root of 3102223020 is about 1458.4481885558.

Adding to 3102223020 its reverse (203222013), we get a palindrome (3305445033).

The spelling of 3102223020 in words is "three billion, one hundred two million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 3977209 7954418 11931627 15908836 19886045 23863254 39772090 47726508 51703717 59658135 79544180 103407434 119316270 155111151 206814868 238632540 258518585 310222302 517037170 620444604 775555755 1034074340 1551111510 3102223020